forked from OSchip/llvm-project
46 lines
1.7 KiB
LLVM
46 lines
1.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=x86_64-unknown-linux-gnu %s -o - | FileCheck %s
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@ll = local_unnamed_addr global i64 0, align 8
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@x = local_unnamed_addr global i64 2651237805702985558, align 8
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@s1 = local_unnamed_addr global { i8, i8 } { i8 123, i8 5 }, align 2
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@s2 = local_unnamed_addr global { i8, i8 } { i8 -122, i8 3 }, align 2
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define void @PR35765() {
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; CHECK-LABEL: PR35765:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: movzwl {{.*}}(%rip), %ecx
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; CHECK-NEXT: addl $-1398, %ecx # imm = 0xFA8A
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; CHECK-NEXT: movl $4, %eax
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; CHECK-NEXT: # kill: def %cl killed %cl killed %ecx
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; CHECK-NEXT: shll %cl, %eax
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; CHECK-NEXT: movzwl {{.*}}(%rip), %ecx
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; CHECK-NEXT: movzwl {{.*}}(%rip), %edx
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; CHECK-NEXT: notl %edx
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; CHECK-NEXT: orl $63488, %edx # imm = 0xF800
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; CHECK-NEXT: movzwl %dx, %edx
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; CHECK-NEXT: orl %ecx, %edx
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; CHECK-NEXT: xorl %eax, %edx
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; CHECK-NEXT: movslq %edx, %rax
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; CHECK-NEXT: movq %rax, {{.*}}(%rip)
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; CHECK-NEXT: retq
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entry:
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%bf.load.i = load i16, i16* bitcast ({ i8, i8 }* @s1 to i16*), align 2
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%bf.clear.i = and i16 %bf.load.i, 2047
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%conv.i = zext i16 %bf.clear.i to i32
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%sub.i = add nsw i32 %conv.i, -1398
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%shl.i = shl i32 4, %sub.i
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%0 = load i64, i64* @x, align 8
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%bf.load1.i = load i16, i16* bitcast ({ i8, i8 }* @s2 to i16*), align 2
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%bf.clear2.i = and i16 %bf.load1.i, 2047
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%1 = xor i16 %bf.clear2.i, -1
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%neg.i = zext i16 %1 to i64
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%or.i = or i64 %0, %neg.i
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%conv5.i = trunc i64 %or.i to i32
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%conv6.i = and i32 %conv5.i, 65535
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%xor.i = xor i32 %conv6.i, %shl.i
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%conv7.i = sext i32 %xor.i to i64
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store i64 %conv7.i, i64* @ll, align 8
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ret void
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}
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